EOC Mixed Review #3

EOC Mixed Review #3

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Multiple Choice

1. Which of the following expressions represents the perimeter of the rectangle? See page 20, 157 and 158

• 10x² + 6x – 3

• 10x² – 6x – 3

• 20x² + 12x – 6

• 20x² – 12x – 6

Multiple Choice

2. Which of the following expressions represents the area of the following rectangle? See page 160 for help

• 6x² + 18x + 12xy

• 6x³ + 18x² + 12xy

• 5x² + 9x + 7xy

• 5x³ + 9x² + 7xy

Multiple Choice

3. The perimeter of the following triangle is 17x + 3. What is the length of the missing side? See page 158 for help

• 6x – 7

• 6x + 5

• 6x + 7

• 6x + 13

Multiple Choice

4. Which of the following expressions is equivalent to (3x – 7y)(2x + 5y)? See page 161 for help

• 6x² – 35y²

• 6x² – xy – 35y²

• 6x² + xy – 35y²

• 6x² – 29xy – 35y²

Multiple Choice

5. Which of the following expressions is equivalent to (5a² + 3b²)(5a² – 3b²)? See page 161 for help.

• 25a⁴ – 9b⁴

• 25a² – 9b²

• 25a⁴ – 30ab – 9b⁴

• 25a² – 30ab – 9b²

Multiple Choice

6. A scientist placed 8 bacteria is a petri dish for observation. The scientist noticed the number of bacteria doubles every hour. How many bacteria will be present after 5 hours? See page 145-149 for help

• 40

• 128

• 256

• 512

Multiple Choice

7. The function N(x) = 3(2)^x can be used to determine the number of bacteria, N(x), in a sample after x days. Which of the following statements is not true? See page 145 for help

• There were initially 3 bacteria in the sample.

• The number of bacteria triples every day.

• The number of bacteria doubles every day.

• The number of bacteria is growing exponentially.

Multiple Choice

8. Which of the following expressions is equivalent to (4xy)(3x²y⁴)² ? See page 153-155 for help

• 12x⁵y⁹

• 36x⁵y⁷

• 36x⁵y⁹

• 144x⁵y⁹

Multiple Choice

9. Which of the following expressions is equivalent ? See page 153-155 for help

• A

• B

• C

• D

Multiple Choice

10. Given the equation V=1/3 bh, which of the following equations solves for B? See page 23 for help

• A

• B

• C

• D

Fill in the Blanks

11. Grayson walked and ran a total of 31 miles last week. He walked one more than five times as far as he ran. How far did Grayson walk? See page 102 ex 5 for help

Fill in the Blanks

12. Melanie bought 12 bushes and 5 trees from Home Depot for $346. She went back the next day and bought 4 bushes and 2 trees for $124. How much more does a tree cost than a bush? See page 97 ex 1 for help

Multiple Choice

13. What is the midpoint of the longest side of a triangle with vertices (0, 2), (5, 0) and (-3, -4)? See page 177-178 for help

• (2,1)

• (1,2)

• (1,-2)

• (-2,-1)

Multiple Choice

14. The table shows the number of RBI’s by various baseball players.

Which of the following would be true if Gomez was added to the list with 94 RBI’s? See page 123-124 for help

• The standard deviation decreases

• The range increases

• The mean decreases

• The IQR increases

Multiple Choice

15. The table shows the number of siblings and GPA. Which of the following is the best description of the correlation coefficient? See page 132 for help

• weak negative

• weak positive

• strong negavtive

• strong positive

Fill in the Blanks

16. The quadratic equation y = x² + kx – 40 has x-intercept of -8. What is the value of k? See Page 202 ex3 for help

Multiple Choice

17. Chick- Fil-A uses the function P(x) = -450x² + 3690x - 3780 to determine the profit, P(x), of selling their chicken sandwich for x dollars.

How much should Chick-Fil-A sell its chicken sandwich for to maximize profit? See page 189-190 for help

• 4.10

• 4.75

• 5.30

• 5.95

Fill in the Blanks

18. The sum of three consecutive odd integers is 87. What is the largest integer? See page 27-28 for help

Fill in the Blanks

19. A ball’s flight path can be modeled by the function h(x) = -2x² + 16x + 18, where h(x) is the height of the ball after x seconds. After how many seconds does the ball hit the ground? See page 202 fo

Multiple Select

What should you be doing next? (Select all that apply)

• Complete Table Tent Reflection

• Watch videos in One note of the questions you got incorrect